25x30x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack Ventilation PRODUCT SUMMARY

PRODUCT SUMMARY

No harmful byproducts

This is a replacement electrode for the ph55 and pH56 models of pocket pH/Temperature meter by Milwaukee Instruments

That’s why they offer a 5-year warranty on this product--so you can grow with confidence

Outside Diameter: 31 cm / 12

25x30x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack Ventilation PRODUCT SUMMARYNordic Pure Custom MERV 14 Plus Carbon air filters are made based on the actual measurements so be sure to measure your current filter to get the EXACT dimensions before ordering. As with all Nordic Pure filters, the effective life of your filter depends on the environment in which you live. We recommend changing 1 and 2 filters every 30 90 days. Our 4, 5 and 6 inch thick filters could last up to 6 months. EXACT MEASUREMENT: Furnace and air condition